What Was the Spanish Government's Response to President McKinley's Demand

What was the Spanish government's response to President McKinley's demand that they put an end to their war in Cuba?

A) The Spanish government acquiesced and started negotiating with Cuban rebels.
B) The Spanish considered this a declaration of war by the United States and began to mobilize forces.
C) The Spanish government called for a meeting with the United States to find a solution to the Cuban problem.
D) The Spanish government sent General Weyler to Cuba to strengthen defenses there.